Target 20 challenge

Pledge to save 20 litres of water or more a day.

Prize draw is now closed

Please note that this competition closed at 11.59pm on 30 September 2025. The winners will be notified by email.

For more information, read our prize draw terms and conditions.

You can still explore our water saving tips below.

Our tips to save water

Here’s a list of some of our favourite water saving tips for you to try, which can help you save 20 litres of water a day, or more if you can.

Easy to achieve

Tip

Saving

Only fill your kettle with the amount of water you need each time

0.5 litres

Make the change to the small flush when you can if you have a dual flush toilet

1.5 litres

Use a bowl to rinse your fruit and vegetables instead of a running tap

8 litres

Turn off the tap while brushing your teeth

15 litres

Scrape dirty plates into your food waste bin and put them straight in the dishwasher without rinsing first

16 litres

Keep a jug of cool drinking water in the fridge instead of waiting for the tap to run cold

16 litres

Use a washing up bowl instead of washing up under a running tap

25 litres

Going the extra mile

Tip

Saving

Reuse the leftover water from cooking to water your plants

1 litre

Flush your loo one less time per day

5 litres

Hop straight into the shower instead of letting it up warm up first

6 litres

Fill your padding pool up an inch lower than usual

10 litres

Cover your paddling pool when not in use to keep it clean and prevent evaporation so you don’t have to top it back up

Up to 10 litres

Turn your shower off while lathering your hair or shaving

12 litres

Reduce your daily shower by two minutes

24 litres

More of a challenge

Tip

Saving

Fill up a watering can using rainwater from a water butt to water your plants instead of treated tap water

5 litres per fill

When running a bath, reduce the amount you usually fill it up by a couple of centimetres

5 litres

Install and use a water-efficient showerhead

20 litres

Go a day without having a shower

48 litres (based on a four-minute shower)

Get more wears out of clothes and do one less laundry load per week

50 litres